Helium-mercury method can be used to determine the __________ of the catalyst particle. Porosity Pore volume All of these Solid density TRUE ANSWER : ? YOUR ANSWER : ?
A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors. Both the conversion as well as concentrations will be different Both conversion as well as concentration are same Conversion in both will be the same but concentrations will be different None of these TRUE ANSWER : ? YOUR ANSWER : ?
A batch reactor is suitable for Large scale gaseous phase reactions Liquid phase reactions Obtaining uniform polymerisation products in highly exothermic reactions Achieving cent percent conversion of reactants into products TRUE ANSWER : ? YOUR ANSWER : ?
In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is ____________ (ii) (i) endothermic (ii) enodthermic (i) exothermic (ii) exothermic (i) exothermic (ii) endothermic (i) endothermic (ii) exothermic TRUE ANSWER : ? YOUR ANSWER : ?
When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value. Half Equal None of these Twice TRUE ANSWER : ? YOUR ANSWER : ?
The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction. Catalytic Photochemical Biochemical Autocatalytic TRUE ANSWER : ? YOUR ANSWER : ?
Differential method for analysing the kinetic data is used For testing complicated mechanisms None of these When rate expressions are very simple When the data are scattered TRUE ANSWER : ? YOUR ANSWER : ?
If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Changes unpredictably Remains unaltered Decreases Increases TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an autocatalytic reaction? Photochemical reactions Microbial fermentation reaction Enzyme fermentation reaction Ammonia synthesis reaction TRUE ANSWER : ? YOUR ANSWER : ?
A photochemical reaction is All of these Accompanied with emission of light Initiated by light Catalysed by light TRUE ANSWER : ? YOUR ANSWER : ?